Uses Of Shell Sort In Data Structure
In the computing world, there is a wide load of data from which we get what we want. Shell sorting in data structure as a result becomes essential and in the quiz below we look at its uses.
- 1.
What are the correct intermediate steps of the following data set when it is being sorted with the Shell sort? 15,20,10,18
- A.
15,10,20,18 -- 15,10,18,20 -- 10,15,18,20
- B.
15,20,10,18 -- 15,10,20,18 -- 10,15,20,18
- C.
10, 20,15,18 -- 10,15,20,18 -- 10,15,18,20
- D.
15,18,10,20 -- 10,18,15,20 -- 10,15,18,20
Correct Answer
B. 15,20,10,18 -- 15,10,20,18 -- 10,15,20,18Explanation
The given answer shows the correct intermediate steps of the data set being sorted with the Shell sort algorithm. The first step is swapping the second and third elements to get 15,10,20,18. Then, the third and fourth elements are swapped to get 15,10,18,20. Finally, the first and second elements are swapped to get the sorted sequence 10,15,18,20.Rate this question:
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- 2.
Shell sort is a generalization of.
- A.
A selection sort
- B.
An insertion sort
- C.
A bubble sort
- D.
None of the above
Correct Answer
B. An insertion sortExplanation
Shell sort is a generalization of an insertion sort. Shell sort improves upon the insertion sort by allowing elements that are far apart to be compared and swapped, which helps to move elements to their correct positions faster. The insertion sort algorithm is used within the Shell sort algorithm to sort the elements within the subarrays. Therefore, the correct answer is "An insertion sort."Rate this question:
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- 3.
What is the main difference between a shell sort and the sort that it is similar to?
- A.
A shell sort algorithm takes longer time to execute
- B.
A shell sort takes bigger "steps"
- C.
A shell sort takes smaller "steps"
- D.
A shell sort has no distinctive feature
Correct Answer
B. A shell sort takes bigger "steps"Explanation
A shell sort takes bigger "steps" compared to the sort that it is similar to. This means that in a shell sort, elements that are far apart are compared and swapped, whereas in the similar sort, elements that are adjacent or nearby are compared and swapped. This difference in the size of steps taken during the sorting process is what sets shell sort apart from its similar counterpart.Rate this question:
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- 4.
In the shell sort algorithm, the array to be sorted can be visualized into a table. A sort is used to order the columns, which of the following statement(s) is(are) false?
- A.
Each time the process repeats itself, there is a smaller number of the longer columns.
- B.
Each time the process repeats itself, there are less columns but more rows.
- C.
Each time the process repeats itself, there are more columns and more rows.
- D.
B and C
Correct Answer
D. B and CExplanation
In the shell sort algorithm, the array is divided into multiple subarrays and each subarray is sorted separately. The process then repeats with smaller subarrays until the entire array is sorted. In each iteration, the number of columns remains the same, but the number of rows may vary depending on the size of the subarray. Therefore, statement B and C are false.Rate this question:
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- 5.
True or False: When the shell sort is complete, the table has exactly three columns left.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because the number of columns in a table is not related to the completion of shell sort. Shell sort is a sorting algorithm that rearranges elements in a list or table. It does not specify or affect the number of columns in the table. Therefore, the correct answer is False.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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Dec 25, 2011Quiz Created by
RosyU
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